Daily Practice

Higher

4th January 1990

5 questions · 14 marks · Grades 6-7 · 61 question types in this band

1
Conditional Probability3 marks
15 students study Spanish and 4 of those also study Art. One Spanish student is picked at random. Work out the probability they study Art.
2
Histograms2 marks
A histogram class is 20 units wide and contains 60 values. Work out the frequency density.
3
Fractional and Negative Indices3 marks
Work out 81^(3/2).
4
Solving Quadratics3 marks
Solve x^2 - 8x + 7 = 0.
5
Repeated Percentage Change3 marks
A town's population is 39500 and grows by 3% each year. Work out the population after 4 years, to the nearest whole number.

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